Mini speakers with surprisingly big sound that's the i Home i HM79BE rechargeable collapsible black mini speakers. They can play audio from an iPod, computer, portable games system & all other audio devices equipped with a 3.5mm audio jack. 2 collapsible speakers will fit in your hands for ultimate portability & expand with just a twist. Each speaker contains a built-in amplifier powered by a rechargeable battery with a charge life of 6 hours. The speakers have a unique vacuum bass design for enhanced volume & bass while a magnetic base keeps the speakers together for transport. The i Home i HM79BE speakers include speaker cable with a USB (Universal Serial Bus) plug for recharging speakers, a convenient carrying case & cord wrap.